been looking at getting the sigma 70-200 f2.8 lens and iv seen that tamron do a lens the same . the tamron is cheaper but is it any good . i had a go with a friends sigma and it seemed fine.
also is it worth paying the extra money for the a max aperture across the range lens
thanks
chris
also is it worth paying the extra money for the a max aperture across the range lens
thanks
chris